Modern Warfare Mod brings World in Conflict from the Cold War into the Modern Age. It also ups the ante on realism and authenticity in every role – Infantry, Armor, Support and Air, while trying our best to keep everything relatively balanced for fun and interesting gameplay.
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It almost seems like the game engine is holding you back, at this point.
I wouldn't be surprised, they're pushing a (relatively) extremely old engine to do things that it was never supposed to do. It is like how the Fallout 76 team managed to make Gamebroyo (which is what Creation is) have a multiplayer function.